<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			input{
				width: 200px;
				height: 100px;
			}
			input:focus{
				outline-style: none;
			}
		</style>
		<script type="text/javascript" src="../jquery/jquery-1.8.3.js"></script>
	</head>
	<body>
		<input type="" name="" id="" value="" />
	</body>
	<script type="text/javascript">
		$("input").focus(function(){
			$(this).css("border","solid 2px red")
		})
	</script>
</html>
